Headstock



FIG. 1 is a perspective view of a headstock showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a left side view thereof (the right side is a mirror image of the left);

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a front elevational view thereof.

The details shown in broken lines in FIG. 1 are for illustrative purposes only and form no part of the claimed design. 

We claim the ornamental design for a headstock, as shown and described. 